在Jeff Prosise井字棋的基础上做的一个五子棋
在Jeff Prosise井字棋的基础上做的一个五子棋，全手工代码输入，利用MFC实现，因为尚不知如何手工添加按钮，
所以暂时重新开始游戏的方式为双击标题栏。可以到http://groups.google.com/group/jiutianfile下载编译好的文件和Visual Studio.net 2005工程源代码。
源代码gobangSrc.rar，编译好的文件gobangRel.rar
头文件gobang.h
class CMyApp : public CWinApp
{
public:
virtual BOOL InitInstance();
};
class CMainWindow : public CFrameWnd
{
protected:
enum gridState { Unputed, PutedO, PutedX}; //enum格子的个状态
enum Turn {OTurn,XTurn}; //enum轮到谁下的状态
enum winnerLast {NoOne,OWin,XWin}; //enum有没有胜利者的状态
Turn m_nextTurn; //下轮执棋者
const static int nClientSize = 700; //客户区大小，可改变
const static int nGridNum = 20; //格数，可改变
int m_countStep; //目前所下步数
void DrawBoard(CDC &dc); //画棋盘
CRect m_rcGrid[nGridNum][nGridNum]; //棋盘的每个格子的矩形范围
gridState m_stateGrid[nGridNum][nGridNum]; //棋盘每个格子的状态
void DrawO(CDC &dc,int i,int j); //下O
void DrawX(CDC &dc,int i,int j); //下X
void ResetGame(); //重新开始游戏
void CheckForGameOver(Turn thisTurn,int i,int j); //查找需不需要结束游戏
BOOL IsWinner(Turn thisTurn,int i,int j); //是否有胜利者
BOOL IsDraw(); //是否平局
public:
CMainWindow();
protected:
afx_msg void OnPaint();
afx_msg void OnLButtonDown(UINT nFlags,CPoint point);
afx_msg void OnNcLButtonDblClk(UINT nHitTest,CPoint point);
afx_msg void OnRButtonDown(UINT nFlags,CPoint point);
afx_msg BOOL OnSetCursor(CWnd *pWnd,UINT nHitTest, UINT message);
DECLARE_MESSAGE_MAP()
};
主体文件gobang.cpp
#include <afxwin.h>
#include <cmath>
#include <memory>
#include "resource.h"
#include "gobang.h"
CMyApp myApp;
//
//CMyApp的成员函数
//
BOOL CMyApp::InitInstance()
{
m_pMainWnd = new CMainWindow;
m_pMainWnd->ShowWindow(m_nCmdShow);
m_pMainWnd->UpdateWindow();
return TRUE;
}
//
//CMainWindow的消息映射和成员函数定义
//
BEGIN_MESSAGE_MAP(CMainWindow,CFrameWnd)
ON_WM_PAINT()
ON_WM_LBUTTONDOWN()
ON_WM_NCLBUTTONDBLCLK()
ON_WM_RBUTTONDOWN()
ON_WM_SETCURSOR()
END_MESSAGE_MAP()
CMainWindow::CMainWindow()
{
//执圆形的先下棋，光标为圆型，并定下窗口固定宽度
CString wndClassStr = ::AfxRegisterWndClass(CS_DBLCLKS,
::AfxGetApp()->LoadCursor(IDC_round));
Create(wndClassStr,_T("五子棋by九天雁翎 (双击标题栏重新开始游戏）"),
WS_OVERLAPPED | WS_SYSMENU | WS_CAPTION | WS_MINIMIZEBOX);
CRect rect(0,0,nClientSize+2,nClientSize+2);
CalcWindowRect(&rect);
SetWindowPos(NULL,0,0,rect.Width(),rect.Height(),
SWP_NOZORDER | SWP_NOMOVE | SWP_NOREDRAW);
//初始化自定义的成员变量
m_nextTurn = OTurn;
m_countStep = 0;
::ZeroMemory(m_rcGrid,nGridNum * nGridNum * sizeof(CRect));
::ZeroMemory(m_stateGrid,nGridNum * nGridNum * sizeof(gridState));
}
void CMainWindow::OnPaint()
{
CPaintDC dc(this);
DrawBoard(dc);
}
void CMainWindow::DrawBoard(CDC &dc)
{
CRect rect;
GetClientRect(&rect);
//画背景
CBrush brush(RGB(128,128,128));
dc.FillRect(rect,&brush);
//开始画纵横线，利用rect大小来画线，一是代码重用度高，二是以前做好了
//效率稍微低点，不过将来要是改变客户区大小或用可缩放窗口就可以不改了
//定义画线的画笔并选中
CPen pen(PS_SOLID,2,RGB(0,0,0));
CPen *pOldPen = dc.SelectObject(&pen);
//求方格宽高
int nGridWidth = nClientSize / nGridNum ;
int nGridHeight = nClientSize / nGridNum ;
//计算每个方格矩形范围
for(int i = 0; i < nGridNum; ++i)
for(int j = 0; j < nGridNum; ++j)
{
m_rcGrid[i][j] = CRect(rect.left + (nGridWidth * j),
rect.top + (nGridHeight * i),
rect.left + nGridWidth +(nGridWidth * j),
rect.top + nGridHeight + (nGridHeight * i));
}
for(int i = 0; i <= nGridNum; ++i) //画横线
{
int y = (nGridHeight * i) + rect.top;
dc.MoveTo(rect.left,y);
dc.LineTo(rect.right,y);
}
for(int i = 0; i <= nGridNum; ++i) //画竖线
{
int x = (nGridWidth * i) + rect.left;
dc.MoveTo(x,rect.top);
dc.LineTo(x,rect.bottom);
}
//画下已经下好的棋
for(int i=0; i<nGridNum; ++i)
for(int j=0; j<nGridNum; ++j)
{
if(m_stateGrid[i][j] == Unputed)
{
continue;
}
else if(m_stateGrid[i][j] == PutedO)
{
DrawO(dc,i,j);
}
else if(m_stateGrid[i][j] == PutedX)
{
DrawX(dc,i,j);
}
}
}
//左键下O
void CMainWindow::OnLButtonDown(UINT nFlags, CPoint point)
{
//若本轮不属O，即不响应
if(m_nextTurn != OTurn)
return;
for(int i = 0; i<nGridNum; ++i)
for(int j = 0; j<nGridNum; ++j)
{
if(m_rcGrid[i][j].PtInRect(point) && m_stateGrid[i][j] == Unputed)
{
CClientDC dc(this);
m_nextTurn = XTurn;
m_stateGrid[i][j] = PutedO;
DrawO(dc,i,j);
++m_countStep;
CheckForGameOver(OTurn,i,j);
}
}
}
//右键下X
void CMainWindow::OnRButtonDown(UINT nFlags,CPoint point)
{
//若本轮不属X，即不响应
if(m_nextTurn != XTurn)
return;
for(int i = 0; i<nGridNum; ++i)
for(int j = 0; j<nGridNum; ++j)
{
if(m_rcGrid[i][j].PtInRect(point) && m_stateGrid[i][j] == Unputed)
{
CClientDC dc(this);
m_nextTurn = OTurn;
m_stateGrid[i][j] = PutedX;
DrawX(dc,i,j);
CheckForGameOver(XTurn,i,j);
}
}
}
void CMainWindow::DrawO(CDC &dc, int i, int j)
{
CRect rect(m_rcGrid[i][j]);
rect.DeflateRect(5,5);
dc.SelectStockObject(NULL_BRUSH);
CPen pen(PS_SOLID,4,RGB(128,64,64));
CPen *pOldPen = dc.SelectObject(&pen);
dc.Ellipse(rect);
dc.SelectObject(pOldPen);
}
void CMainWindow::DrawX(CDC &dc, int i, int j)
{
CRect rect(m_rcGrid[i][j]);
rect.DeflateRect(5,5);
CPen pen(PS_SOLID,4,RGB(128,64,64));
CPen *pOldPen = dc.SelectObject(&pen);
dc.MoveTo(rect.left,rect.top);
dc.LineTo(rect.right,rect.bottom);
dc.MoveTo(rect.right,rect.top);
dc.LineTo(rect.left,rect.bottom);
dc.SelectObject(pOldPen);
}
void CMainWindow::CheckForGameOver(Turn thisTurn,int i,int j)
{
if(IsWinner(thisTurn,i,j))
{
if(thisTurn == OTurn)
{
CString string;
string.Format(_T("GOOD! O Wins in %d steps."),m_countStep);
MessageBox(string,_T("Game Over!"));
ResetGame();
}
else if(thisTurn == XTurn)
{
CString string;
string.Format(_T("GOOD! X Wins in %d steps."),m_countStep);
MessageBox(string,_T("Game Over!"));
ResetGame();
}
}
else if(IsDraw())
{
MessageBox(_T("OK,It's draw."),_T("Draw Game!"));
ResetGame();
}
}
//此为本软件最主要的部分，即检测是否有五个棋连在一起
//以横纵和两条对角线的方向分别检测，感觉比较笨
//暂时不知道有没有更好的办法，望来信赐教
BOOL CMainWindow::IsWinner(Turn thisTurn,int i,int j)
{
int count = 1;
gridState checkFor; //状态对比值
if(thisTurn == OTurn)
checkFor = PutedO;
else if(thisTurn == XTurn)
checkFor = PutedX;
//横方向检测
for(int m=1; m<5; ++m)
{
if(j - m > 0 && m_stateGrid[i][j-m] == checkFor)
++count;
else
break;
}
for(int m=1; m<5; ++m)
{
if(j + m < nGridNum && m_stateGrid[i][j+m] == checkFor)
++count;
else
break;
}
if(count >=5)
return TRUE;
count = 1;
//竖方向检测
for(int m=1; m<5; ++m)
{
if(i-m>0 && m_stateGrid[i-m][j] == checkFor)
++count;
else
break;
}
for(int m=1; m<5; ++m)
{
if(i+m<nGridNum && m_stateGrid[i+m][j] == checkFor)
++count;
else
break;
}
if(count >=5)
return TRUE;
count = 1;
//左上至右下方向检测
for(int m=1; m<5; ++m)
{
if(i-m>0 && j-m>0 && m_stateGrid[i-m][j-m] == checkFor)
++count;
else
break;
}
for(int m=1; m<5; ++m)
{
if(i+m<nGridNum && j+m<nGridNum && m_stateGrid[i+m][j+m] == checkFor)
++count;
else
break;
}
if(count >=5)
return TRUE;
count = 1;
//右上至左下方向检测
for(int m=1; m<5; ++m)
{
if(i-m>0 && j+m<nGridNum && m_stateGrid[i-m][j+m] == checkFor)
++count;
else
break;
}
for(int m=1; m<5; ++m)
{
if(i+m<nGridNum && j-m>0 && m_stateGrid[i+m][j-m] == checkFor)
++count;
else
break;
}
if(count >=5)
return TRUE;
return FALSE;
}
BOOL CMainWindow::OnSetCursor(CWnd *pWnd, UINT nHitTest, UINT message)
{
if(nHitTest == HTCLIENT)
{
if(m_nextTurn == OTurn)
{
::SetCursor(::AfxGetApp()->LoadCursor(IDC_round));
return TRUE;
}
else if(m_nextTurn == XTurn)
{
::SetCursor(::AfxGetApp()->LoadCursor(IDC_cross));
return TRUE;
}
}
return CFrameWnd::OnSetCursor(pWnd,nHitTest,message);
}
//当都下满了，即为平局
BOOL CMainWindow::IsDraw()
{
int i,j;
for(i=0; i<nGridNum; ++i)
for(j=0; j<nGridNum; ++j)
{
if(m_stateGrid[i][j]==Unputed)
break;
}
if(i==nGridNum && j==nGridNum)
return TRUE;
else
return FALSE;
}
void CMainWindow::ResetGame()
{
m_nextTurn = OTurn;
m_countStep = 0;
::ZeroMemory(m_stateGrid,nGridNum * nGridNum * sizeof(gridState));
Invalidate();
}
void CMainWindow::OnNcLButtonDblClk(UINT nHitTest, CPoint point)
{
if(nHitTest == HTCAPTION)
{
ResetGame();
}
return CFrameWnd::OnNcLButtonDblClk(nHitTest,point);
}